as shown in the figure
 
 
//axios 
import axios from "axios"
axios.defaults.withCredentials = true;  //
const service=axios.create({
    baseURL:`${base}${itempath}`,
    timeout:5000
})
service.interceptors.request.use(
    config=>{
        if(store.getters.token){
            config.headers={
                "token":getToken(),
                "Accept":"application/json",
                "Content-Type":"application/json;charset=UTF-8"
            }
        }
        return config;
    },
    error=>{
        console.log(error);
        Promise.reject(error);
    }
)
the backend is also cross-domain, which can be requested normally before.
